Buuv. U. S. B. F., 1921-22. (Doc. 922.) 



125 



127 



CGEp 



!28 



!26 



PHOTOMICROGRAPHS. X 50. 



Ftc. 125. — Longitudinal section through oesophagus. Fixed in Gilson fluid and stained with Delafield ha?ma- 



toxylin and congo red. CEP, ciliated epithelium; MG, mucous glands. 

 Pic. 120. — Cross section through recurrent intestine. Preparation same as fig. 125. The lumen is filled with diatoms 



and detritus. 

 Fig. 127. — Cross section through terminal intestine. Preparation same as fig. 125. 



FlG. 128. — Cross section through direct intestine. CEp, ciliated epithelium; CGEp, ciliated and glandular epithe- 

 lium ; CS, crystalline style; CSLm, crystalline style lumen; ILm, intestinal lumen 



